CN103359548B - Line travel information acquisition device - Google Patents

Abstract

The present invention relates to line travel information acquisition device, possess：Detect the thickness inequality for the line advanced and export the uneven sensor of First Line of the uneven signal of First Line thickness（43）；The thickness of detection line is uneven and exports the uneven sensor of the second line of the uneven signal of the second line thickness（44）；Based on the uneven signal of First Line thickness and the uneven signal of acquired the second line thickness during the second time range longer than very first time scope obtained during defined very first time scope, the similar degree evaluation section of multiple similar degrees between the uneven signal of First Line thickness and the uneven signal of the second line thickness is obtained（65）；Using by the speed with the departure based on the uneven signal of First Line thickness and the uneven signal of the second line thickness than weight coefficient that corresponding weighted curve is specified, multiple similar degrees are weighted with processing respectively, and calculates the weighting processing unit of multiple weighting similar degrees（66）；The travel information obtaining section of the travel information of line is obtained based on weighting similar degree.

Description

Line travel information acquisition device

Technical field

The present invention relates to the line travel information acquisition device that the state of the line to traveling is detected.

Background technology

Carry out the coil of wire around coil winding machine in, exist in order to carry out the coil of wire around control etc., and need the traveling shape with line The situation of the related information of state.Then, such coil winding machine possesses for obtaining the information related to the travel condition of line（Line row Enter information）Line travel information acquisition device.As above-mentioned travel condition, such as in view of line gait of march.

As such line travel information acquisition device, for example, exist described in Japanese Unexamined Patent Publication 2012-051672 publications Device.Line travel information acquisition device disclosed in the document possesses the uneven 2 line thicknesses inequality sensing of detection line thickness Device, is sampled with the defined sampling period to the signal detected by the uneven sensor of above-mentioned 2 line thicknesses.Moreover, should The signal for 2 line thicknesses inequality that line travel information acquisition device is obtained by comparing, so that detection line gait of march.

However, due to for example, in coil winding machine spooling length very long line, even if so line travel information acquisition device The error of the detection of the line gait of march of progress is minimum, and the error of the length of the line wound also can be very big.Then, one kind is expected Can precision preferably obtain line travel condition line travel information acquisition device.

The content of the invention

It is an object of the invention to provide it is a kind of can precision preferably obtain line travel condition line travel information acquirement Device.

The line travel information acquisition device of the present invention possesses：First test section, the second test section, similar degree evaluation section, plus Weigh processing unit and travel information obtaining section.The thickness for the line that the detection of first test section is advanced is uneven and exports First Line thickness inequality Signal.The upstream side of the online direct of travel of second test section is configured separated by a distance with the first test section, and the thickness of detection line is not And export the uneven signal of the second line thickness.Similar degree evaluation section is thick based on the First Line obtained during very first time scope Thin inequality signal and the uneven signal of the second line thickness obtained during second time range longer than very first time scope, are asked The multiple similar degrees gone out between the uneven signal of First Line thickness and the uneven signal of the second line thickness.Processing unit is weighted to use by weighting Multiple similar degrees are weighted processing by the weight coefficient that curve is specified respectively, and calculate multiple weighting similar degrees, wherein, institute State the datum drift amount of the uneven signal of weighted curve and First Line thickness and the uneven signal of the second line thickness and for the benchmark The ratio between calculating departure of departure that is, speed ratio is corresponding.Travel information obtaining section is based on maximum in multiple weighting similar degrees Weight similar degree, calculate the time deviation of the uneven signal of First Line thickness and the uneven signal of the second line thickness, and based on it is above-mentioned away from Discrete time deviation, obtains the travel information of line.

In the line travel information acquisition device, using by with based on the uneven signal of First Line thickness and the second line thickness The speed of the departure of uneven signal is weighted respectively than the weight coefficient that corresponding weighted curve is specified to multiple similar degrees Processing., than corresponding weighted curve, power can be suitably set by using with the speed based on departure by each departure Weight.By so using with the speed based on departure than corresponding weighted curve, processing, energy can be more accurately weighted Enough precision higher obtain the travel condition of line.

Weight coefficient is preferably specified by the weighted curve with a maximum.In this case, can utilize has one The weighted curve of individual maximum and similar degree is suitably weighted.

It is preferred that the maximum of weighted curve is set based on calculated departure is pass by travel information obtaining section.At this In the case of, it can be considered that passing by the departure of calculating and setting appropriate weighted curve, the row of the more preferable line of precision can be obtained Enter information.

Preferably, line travel information acquisition device is also equipped with obtaining the sample rate obtaining section of the sample rate of line.In addition, The maximum of weighted curve advanced based on line with sample rate in the case of departure and set.In this case, Neng Goukao Consider sample rate and set appropriate weighted curve, the travel information of the more preferable line of precision can be obtained.

Preferably, line travel information acquisition device is also equipped with obtaining the sample rate obtaining section of the sample rate of line.In addition, Weighted curve includes：The resume weight for setting maximum in travel information obtaining section based on the departure that the past calculates is bent Line, and departure in the case of being advanced based on line with sample rate set the sample rate weighting curve of maximum.Moreover, Weighting processing unit carries out handling using the weighting of resume weighting curve and sample rate weighting curve respectively.Travel information is obtained Portion is being weighted multiple weighting similar degrees of processing using resume weighting curve and entered using sample rate weighting curve Go in multiple weighting similar degrees of weighting processing, the weighting similar degree that extraction meets extraction conditions is similar as object weighting Degree, the travel information that similar degree obtains line is weighted based on object.In this case, as resume weighting curve, it can be considered that mistake The departure calculated is gone to set appropriate weighted curve.In addition, as sample rate weighting curve, it can be considered that sample rate is set Fixed appropriate weighted curve.Moreover, can be based on carrying out using these resume weighting curves and sample rate weighting curve The weighting similar degree of weighting carrys out extracting object weighting similar degree.Thereby, it is possible to extract the departure for the calculating of considering over and adopt The appropriate object weighting similar degree of sample speed, can obtain more accurately line travel information.

Preferably, travel information obtaining section weights similar degree based on the object that the past calculates, and corrects by resume weighting curve The weight coefficient specified and the weight coefficient specified by sample rate weighting curve.In this case, it can be considered The object that past calculates weights the resume weighting curve and sample rate weighting curve of similar degree, can more suitably be added Power.

Preferably, the object weighting similar degree that travel information obtaining section was calculated with the past becomes big and increases resume weight song The value of weight coefficient specified by line, the object weighting similar degree calculated with the past diminishes and increases sample rate weighting curve The value of specified weight coefficient.In the case where the object weighting similar degree that the past calculates is big, it may be said that resume weighting curve Reliability it is higher than the reliability of sample rate weighting curve.Then, similar degree is weighted by the object calculated with the past to become Value that is big and increasing the weight coefficient specified by resume weighting curve, and resume weight can be suitably corrected according to actual conditions Curve and sample rate weighting curve.

The weighting similar degree that travel information obtaining section extracts the value maximum of similar degree in multiple weighting similar degrees is used as object Weight similar degree.In the case where that can not carry out the extraction, travel information obtaining section is extracted to being calculated by similar degree evaluation section The maximum similar degree of multiple similar degree intermediate values be weighted the weighting similar degree of processing as object and weight similar degree.In nothing In the case that method carries out the extraction, travel information obtaining section is extracted in multiple weighting similar degrees in multiple weighting similar degrees Each be used as object weighting similar degree closest to the weighting similar degree of departure calculated in the past when calculating departure. In this case, even in should be used as object weighting similar degree extract weighting similar degree exist it is multiple in the case of, can also carry More appropriate weighting similar degree is taken as object and weights similar degree.

Preferably, similar degree evaluation section calculates multiple similar degree maximal points as maximal point in multiple similar degrees.Separately Outside, weighting processing unit is weighted processing to similar degree maximal point, and calculates weighting similar degree.In this case, only to class Processing is weighted like the maximal point of degree.Thus, the position of departure can be kept intact for these maximal points and only The value of similar degree is set to improve or reduce（It is weighted）, so as to more accurately be weighted.

Preferably, the uneven signal of First Line thickness and the uneven signal of the second line thickness are sampled by sampling time interval. Line travel information acquisition device is also equipped with measuring the measurement unit of sampling time interval respectively.In addition, travel information obtaining section is based on The sampling time interval measured by measurement unit, calculates time deviation.In this case, sampling time interval can be based on, is asked Outlet travel departure in the case of time that is, time deviation.Thus, even if for example, the situation of online acceleration-deceleration Under, it also can more accurately obtain time deviation.

Preferably, line processing unit has：Above-mentioned line travel information acquisition device, the line handled line processing The control for the processing that portion, the travel information based on the line obtained by line travel information acquisition device are carried out come control line processing unit Portion.In this case, the travel information of the high-precision line obtained by line travel information acquisition device can be used come control line Processing unit.

In accordance with the invention it is possible to which precision preferably obtains the travel condition of line.

Brief description of the drawings

Fig. 1 is the side view of winding thread unit.

Fig. 2 is the front view of winding thread unit.

Fig. 3 is the block diagram for the composition for representing clear line device.

Fig. 4 is the curve map for illustrating the data sequence that buffer circle is put aside.

Fig. 5 is the figure for illustrating to calculate frame.

Fig. 6 is to illustrate that biasing composition is removed and normalized figure.

Fig. 7 is that the peak value for illustrating similar degree has multiple curve maps.

Fig. 8 is the curve map for the maximal point for only extracting similar degree.

Fig. 9 is the flow chart that line gait of march obtains processing.

Figure 10 is using the flow chart for judging processing.

Figure 11 is the figure for illustrating the weighting based on weighted curve.

Figure 12 A and Figure 12 B are the curve maps of example for representing to be weighted similar degree.

Figure 13 is to represent to make the figure of the state of downstream frame movement.

Figure 14 A~Figure 14 C are the figures for representing to calculate the computation sequence of resume weighting curve.Figure 14 D are to represent resume weight The figure of the example of curve.

Figure 15 A and Figure 15 B are the figures for representing to calculate the order of sample rate weighting curve.Figure 15 C are to represent sample rate The figure of the example of weighting curve.

Embodiment

Hereinafter, it is explained with reference to the present invention preferred embodiment.

Winding thread unit shown in Fig. 1 and Fig. 2（Line processing unit）10, make from the spinning line 20 1 unwind for spool pipe 21 Side traversing is wound while being taken up bobbin 22, so as to provide the package 30 of shape with specific length formation.Present embodiment from Dynamic winding thread machine has the machine of the multiple winding thread units 10 being arranged side-by-side and configuration in the omission diagram of the one end in the direction side by side Member control apparatus.

Each winding thread unit 10 possesses the unit frame 11 that left and right side is arranged on when facing（Fig. 1）And it is arranged on the list The winding unit main body 16 of the side of first frame 11.Winding unit main body（Line processing unit）16 possess reeling end 31.Winding unit master Body 16 possesses bobbin magazine（magazine）Formula feedway 60 and confession spool pipe maintaining part 71.

Protruded as shown in figure 1, bobbin magazine formula feedway 60 has from the oblique upper front extension in bottom of winding thread unit 10 Bobbin magazine maintaining part 61 and installed in the top of the bobbin magazine maintaining part 61 bobbin store device 62.The bobbin stores device 62 Possesses bobbin magazine rotating disk 63, the bobbin magazine rotating disk 63, which is formed with, can place multiple reception holes for spool pipe 70.Bobbin magazine rotating disk 63 leads to Cross the motor for omitting diagram and rotated and be driven by intermittently transmission, possessed by the intermittent driving and bobbin magazine rotating disk 63 Omission diagram control valve, make supply bobbin 70 one by one to bobbin magazine maintaining part 61 have omission diagram Cylinder feeder Road is fallen.Thus, supply bobbin 70 is directed to for spool pipe maintaining part 71.

Bobbin magazine formula feedway 60 as shown in Figure 1 can also be that instead of, and by being arranged on automatic winding machine bottom Omission diagram carryings conveyer and will for spool pipe 21 from omit illustrate confession spool pipe supply unit be supplied to each winding thread list The mode of the confession spool pipe maintaining part 71 of member 10.

Reeling end 31 will be formed and be wrapped from the spinning line 20 unwind for spool pipe 21 along winding around bobbin 22 is batched 30.Specifically, reeling end 31 has and is configured to hold the reel cage 23 for batching bobbin 22 and while makes the spinning traversing of line 20 While the coiler drum 24 of bobbin 22 is batched in driving.Reel cage 23 can to relative to coiler drum 24 closer to or farther from side To swing.Thus, package 30 is made to contact or separate relative to coiler drum 24.As shown in Fig. 2 in the cylindrical of coiler drum 24 Side face is formed with spiral helicine traversing groove 27, makes the spinning traversing of line 20 by the traversing groove 27.

Batch bobbin 22 and carry out rotation driving and driven rotation by batching the coiler drum 24 arranged opposite of bobbin 22 with this Turn.Spinning line 20 by traversing groove 27 by one side traversing, while being wound onto the batching around bobbin 22 of rotation.Such as Fig. 2 institutes Show, the output shaft of the coiler drum 24 and drum drive motor 53 links.The action of drum drive motor 53 passes through motor control Portion 54 is controlled.Motor controling part 54 receives to come from unit control unit（Control unit）50 control signal, enters to exercise drum driven The control that motor 53 is operated and stopped.

Turn-sensitive device 42 is installed on coiler drum 24.Point that turn-sensitive device 42 possesses with clear line device 15 described later The grade of parser 52 is electrically connected.Turn-sensitive device 42 is for example configured to rotary encoder, whenever the rotation predetermined angular of coiler drum 24, Just the signal of pulse type is sent to analyzer 52.The signal for the pulse type that turn-sensitive device 42 is exported is referred to as rotary pulsed Signal.

In winding unit main body 16, in the line course between for spool pipe 21 and coiler drum 24, from supplying spool The side of pipe 21 is risen is configured with apparatus for unwinding 12, tension applying device 13, piecing devices 14 and clear line device in order（Line is advanced Information acquisition device）The 15 clear line devices first 49 possessed.

Apparatus for unwinding 12 is by making to cover limiting member 40 in the core pipe for spool pipe 21 and confessing spool pipe The unwinding of 21 spinning line 20 is interlocked and declined, so as to aid in the unwinding of the spinning line 20 to confess spool pipe 21.Limiting member 40 pairs are swung from the spinning line 20 unwind for spool pipe 21 and are formed in the air ring contact for the top of spool pipe 21, to the gas Circle assigns appropriate tension force, thus aids in the unwinding of spinning line 20.

The spinning line 20 of 13 pairs of travelings of tension applying device assigns tension force.Can be by tension applying device 13 to spinning line 20 assign certain tension force, to improve the quality of package 30.

Clear line device 15 detects that the thickness of spinning line 20 is uneven and detects defect by using appropriate sensor.Specifically Say, clear line device 15 possesses clear line device first 49 and analyzer 52（Fig. 2）.The uneven sensor 43 of 2 lines is configured with clear line device first 49 And 44.Handled by using 52 pairs of signals from the uneven sensor 43 and 44 of line of analyzer, and slubbing can be detected Deng line defect.The vicinity of clear line device first 49 is provided with the province for cutting off spinning line 20 immediately when clear line device 15 detects line defect The cutter that sketch map shows.

The line travel information acquisition device that clear line device 15 can be used as obtaining the travel information of spinning line 20 plays a role. The travel information of line refers to the information for representing what kind of state the spinning line 20 in advancing is in.Obtain spinning by clear line device 15 The composition of the travel information of line 20 is aftermentioned.

For butt joint device 14, when clear line device 15 detects the line cut-out of line defect progress, or from for spool pipe During broken string during the unwindings of 21 unwindings etc., to the carry out joint of reaching the standard grade for 30 sides of the offline of spool pipe 21 side and package.Make For piecing devices 14, mechanical device can be used or devices of fluid such as utilization compressed air etc. are used.

It is respectively arranged with the downside and upside of piecing devices 14 and catches for the offline of the side of spool pipe 21 and guide Offline guiding tube 25 and catch package 30 sides the guiding tube 26 of reaching the standard grade reached the standard grade and guided.On the top of offline guiding tube 25 End is formed with suction port 32.Possesses suction nozzle 34 on the top for guiding tube 26 of reaching the standard grade.Offline guiding tube 25 and guiding tube 26 of reaching the standard grade It is connected to appropriate negative pressure source（Omit diagram）, attraction stream can be made to act on suction port 32 and suction nozzle 34.

In broken string or when line is cut off, the suction port 32 of offline guiding tube 25 is in the position capture shown in Fig. 1 and Fig. 2 Offline, then, offline guiding tube 25 is directed to piecing devices 14 by being rotated upward centered on axle 33 by offline.Almost At the same time, guiding tube 26 of reaching the standard grade is rotated upward from the position of diagram centered on axle 35, and to from package 30 unwinding it is upper Line is caught by suction nozzle 34.Then, guiding tube 26 of reaching the standard grade is rotated downwards centered on axle 35, and thus will reach the standard grade is directed to Piecing devices 14.Offline and joint that is reaching the standard grade is carried out by piecing devices 14.

Next, reference picture 3 carrys out specifically Ming and Qing line device 15.

Clear line device first 49 possesses the uneven sensor of First Line（First test section）43 and the second uneven sensor of line（Second Test section）44 and 2 A/D converters 45 and 46.Analyzer 52 is by CPU（CPU）47th, random access memory （RAM）48th, read-only storage（ROM）（Omit diagram）Deng software sharings such as hardware and the programs for being stored in ROM.Pass through hardware Coordinate with software, and CPU47 is configured to as similar degree evaluation section 65, weighting processing unit 66, travel information obtaining section 67th, line quality determination portion 68, sample rate obtaining section 72, measurement unit 73 etc. play a role.Carry out spinning to the input of analyzer 52 The pulse signal of sensor 42.

Appropriately distance row is separated on the online direct of travel of the First Line uneven sensor 44 of inequality sensor 43 and second line Row, First Line inequality sensor 43 is configured in downstream, and the second line inequality sensor 44 is configured in upstream side.In this implementation In mode, line inequality sensor 43 and 44 detects the inequality of the thickness of spinning line 20.Specifically, the uneven sensor 43 of line with And 44 be configured to optical sensor.The opposite side of the drawing lines across spinning line 20 of online inequality sensor 43 and 44, matches somebody with somebody It is equipped with light emitting diode（LED）36 and LED37 is used as light source.Line inequality sensor 43 and 44 is detected from LED36 respectively And 37 light income.Because if the thickness of spinning line 20 advanced changes, line inequality sensor 43 and 44 by Light quantity can change, so clear line device 15 is capable of detecting when that the thickness of spinning line 20 is uneven.Line inequality sensor 43 and 44 Output signal（Line thickness inequality signal）After A/D conversion was carried out, exported to analyzer 52.

The CPU47 monitoring that analyzer 52 possesses carried out the uneven signal of line thickness of A/D conversion and carried out spinning line 20 Quality measure.For example, the thickness of spinning line 20 is seen exception at the quality position of problems of spinning line 20, because This can detect the defect of spinning line 20 by detecting the exception of the thickness of spinning line 20 in CPU47.Due to by so The quality of spinning line 20 is determined by CPU47, so CPU47 can play a role as line quality determination portion 68.

There is the line generally weaved out in ring frame for spool pipe 21.Periodically produced sometimes in such line a little Thickness it is uneven.The reason for as periodic line thickness inequality, such as in view of making the traction that lines extend with ring frame Core deviation etc. occurs for roller.Uneven the knitting below of the periodic thickness of the finespun process turns into fabric and produces ripple in process processed The reason for.Enter the FFT of the uneven signal of line thickness as the CPU47 in line quality determination portion 68（FFT）Calculate, Thus, it is possible to detect that the periodic thickness of spinning line 20 is uneven.In order to carry out above-mentioned FFT calculating exactly, and with A/D Converter to the uneven signal of line thickness when sampling, it is necessary to make the Wave data number of the per unit length of spinning line 20 exactly Amount is constant.

The CPU47 of present embodiment obtains the information related to the travel condition of spinning line 20, is made according to the travel condition The sampling period change of second A/D converter 46.Specifically, whenever the spinning traveling certain length of line 20（Such as 1mm）CPU47 Just generation pulse signal, and being transmitted to the second A/D converter 46.The pulse signal is referred to as fixed length pulse signal.Second A/D converter 46 is based on the fixed length pulse signal, and the analog signal from the uneven sensor 43 of First Line is sampled, and will It is transformed to data signal.Thereby, it is possible to the data bulk for the per unit length for accurately, consistently keeping spinning line 20, so Above-mentioned FFT calculating can be carried out exactly in CPU47, periodic thickness is reliably detected out uneven.In addition, passing through standard Really, the data bulk of the per unit length of spinning line 20 is consistently kept, even so that CPU47 is without periodically fragmentary Line defect can also carry out the length evaluation of the thickness inequality of spinning line 20 exactly, therefore the accuracy of detection of analyzer 52 is improved. Fixed length pulse signal is the information related to the travel condition of spinning line 20, it is possible to say be line travel information one kind.This Sample obtains line travel information due to CPU47, is played a role so can say as travel information obtaining section 67.

Next, explanation obtains the composition of above-mentioned fixed length pulse signal.

The clear line device 15 of present embodiment independently has the first A/D converter 45 with above-mentioned second A/D converter 46.

First A/D converter 45 is that CPU47 enters the uneven signal of line thickness in order to obtain above-mentioned fixed length pulse signal The A/D converter of sampling.Specifically, 45 pairs of simulation letters from the uneven sensor 43 and 44 of 2 lines of the first A/D converter Number sampled, and be transformed to data signal.The data signal so obtained is transfused to analyzer 52.What analyzer 52 possessed CPU47 plays a role as similar degree evaluation section 65, weighting processing unit 66 and/or travel information obtaining section 67 etc., thus Inputted data signal is used to carry out the detection of the gait of march of spinning line 20.Due to the gait of march of spinning line 20 be also with The related information of the travel condition of spinning line 20, it is possible to say be line travel information one kind.At this point, it can also say CPU47 plays a role as travel information obtaining section 67.

If it is known that the gait of march of spinning line 20, then can detect spinning during the stipulated time based on the gait of march The length that line 20 is advanced.Gait of march of the CPU47 based on spinning line 20 and generate, obtain fixed length pulse signal, and to the 2nd A/D Converter 46 sends fixed length pulse signal.Thus, in the second A/D converter 46, can every spinning line 20 certain length Enter the sampling of the uneven signal of line thickness.

Next, describing the gait of march of the spinning line 20 based on clear line device 15 in detail（Line travel information）Acquirement side Method.

First, in the first A/D converter 45, adopting for the analog waveform that the uneven sensor 43 and 44 of line is exported is entered Sample.Sample frequency fs1 now and coiler drum 24 rotary speed are proportionally changed at any time.Turn by the first A/D When parallel operation 45 is sampled to the signal waveform of the uneven sensor 43 and 44 of line, spinning line 20 can be kept constant Data bulk acquired by per unit length.CPU47 calculated load can be reduced compared with the situation of fixed sampling frequency.

As described above, whenever coiler drum 24 rotates predetermined angular, turn-sensitive device 42 just exports rotational pulse signal. Therefore, the quantity of the rotational pulse signal of time per unit output is directly proportional to the rotary speed of coiler drum 24.Then, analyze The CPU47 of device 52 obtains the rotation information of coiler drum 24 based on the rotational pulse signal received from turn-sensitive device 42.Volume Take the rotation information of roller 24 to refer to the information related to the rotary speed of the coiler drum 24, for example, can be the coiler drum The angular speed of 24 peripheral speed or the coiler drum 24, can also be the rotational pulse signal of time per unit output Quantity.In a word, rotational pulse signal can be based on, the letter related to the rotary speed of coiler drum 24 is obtained in any form Breath.

CPU47 is multiplied by the processing of defined coefficient etc. by the rotation information of the coiler drum 24 to obtaining as described above And obtain the sample rate of the benchmark of the gait of march as spinning line 20.CPU47 is adopted according to the sample rate obtained to obtain Sample frequency fs1, the first A/D converter 45 is set to by the sample frequency fs1 obtained.Sample frequency is configured to whenever spinning line 20 traveling unit lengths are just once sampled.The sample frequency fs1 and coiler drum 24 of the first A/D converter 45 can be made Rotary speed is proportionally changed at any time.Because rotation informations of the CPU47 based on coiler drum calculates sample rate, it is possible to Say and played a role as sample rate obtaining section 72.

Analyzer 52 has in RAM48 and made in order to which the Wave data inputted from the first A/D converter 45 is temporarily kept The storage region constituted for buffer circle（Downstream buffer circle 55 and upstream side buffer circle 56）.Specifically Say, by the output signal from the uneven sensor 43 of First Line（First Line thickness inequality signal）Carry out the data quilt of sampling Put aside to downstream buffer circle 55.By the output signal from the uneven sensor 44 of the second line（Second line thickness inequality letter Number）The data savings for carrying out sampling arrives upstream side buffer circle 56.Downstream buffer circle 55 and upstream side ring The size of shape buffering area 56 is not particularly limited, but in the present embodiment, is able to keep the data at 128.

Fig. 4 is the data sequence that buffer circle 55 and 56 is put aside（Wave data sequence）Curve map.Fig. 4's In curve map, the longitudinal axis represents the signal level shown in Wave data, and transverse axis represents to store the buffer circle of Wave data index（Index）.Data old in buffer circle are assigned smaller value for the index of Fig. 4 transverse axis. That is, the index for storing data oldest in buffer circle is set to index ［ 0 ］, by the newest data that are stored with Index is set to index ［ 127 ］.Therefore, it is time shaft that Fig. 4 transverse axis, which can also be said,.

If applied to the tension force of spinning line 20 is constant, then the uneven sensor of the uneven line of sensor 43 and second of First Line The extension of the spinning line 20 at 44 place of locating is identical, therefore, it is possible to think in the uneven sensor 43 and 44 of 2 lines In observe identical waveform.First Line inequality sensor 43 is configured more leans on line direct of travel in sensor 44 more uneven than the second line Downstream, so the signal that First Line inequality sensor 43 is exported（First Line thickness inequality signal）Waveform relative to the second line The signal that uneven sensor 44 is exported（Second line thickness inequality signal）Waveform existence time on delay.Due to the delay, The Wave data sequence for being stored in upstream side buffer circle 56 and the Wave data being stored in downstream buffer circle 55 Sequence is compared, on a timeline to past direction（Fig. 4 left direction）Stagger Δ T.If by the temporal delay（Deviation）If For Δ T, and the distance between test position by the uneven sensor 43 and 44 of 2 lines is set to L, then linear velocity V V=L/ Δs T…（1）It can obtain.So, analyzer 52 is thick relative to the second line by the waveform for detecting the uneven signal of First Line thickness The temporal delay of the waveform of thin inequality signal（Deviation）Δ T, and the gait of march of spinning line 20 can be calculated.

In the present embodiment, waveforms of the CPU47 to the uneven signal of First Line thickness（Savings is in downstream buffer circle Wave data sequence in 55）With the waveform of the uneven signal of the second line thickness（Put aside the waveform in upstream side buffer circle 56 Data sequence）It is compared, obtains temporal delay Δ T.When being referred to as " waveform ", it is assumed that temporal width to a certain degree Degree, " waveform " can not be referred to as by being used only in the single Wave data of some instantaneous sampling.In the waveform of referred to as comparison signal In the case of, as specific processing, the data sequence continuously obtained in time range to a certain degree is compared each other.

CPU47 connects to putting aside in the Wave data in the downstream of downstream buffer circle 55 in the range of the very first time The continuous Wave data sequence obtained（First waveform data sequence）And Wave data of the savings in upstream side buffer circle 56 In the Wave data sequence that is continuously obtained in the second time range（Second Wave data sequence）It is compared.

As shown in figure 4, in the present embodiment, very first time scope is set to the index ［ 64 ］ of buffer circle extremely Index ［ 127 ］ scope.Therefore, first waveform data sequence is by putting aside in the Wave data of downstream buffer circle 55 Wave data is constituted at newest 64.Second time range is set to the index ［ 32 ］ of buffer circle to the model of index ［ 127 ］ Enclose.Therefore, the second Wave data sequence is by putting aside newest 96 waveforms in the Wave data of upstream side buffer circle 56 Data are constituted.

Next, specifically describing the mutual comparison of waveform carried out by CPU47.CPU47 is to first waveform data sequence It is compared with the second Wave data sequence, obtains the uneven signal of waveform and the second line thickness of the uneven signal of First Line thickness The similar degree of waveform.Here, similar degree refers to represent which kind of degree 2 waveforms overlap（2 waveforms are similar to arrive for which kind of degree）'s Index.

Various methods are contemplated that as the computational methods of similar degree, but in the present embodiment, in terms of following such progress Calculate.2 waveforms for becoming comparison other are overlapping, obtain the area between 2 wavy curve figures（Shade is drawn with oblique line in figure 6 The part of line）.2 waveforms are completely misaligned if 2 waveforms are entirely different, therefore above-mentioned area is 2.If 2 waveforms Completely the same, then above-mentioned area is 0.Using above-mentioned area, pass through following formula（2）Calculate similar degree.Similar degree=1- （Area between 2 waveforms）÷2…（2）

According to the definition of above-mentioned similar degree, it may be said that similar degree is more different closer to 02 waveform, and similar degree is closer to 1 Then 2 waveforms are more similar.

Because second Wave data sequence Wave data at 96 is constituted, first waveform data sequence is by 64 Wave datas Constitute, so the range set of the second Wave data sequence must be wider than the scope of first waveform data sequence.In other words, in this reality Apply in mode, the second time range is set to longer than very first time scope.In order to calculate above-mentioned similar degree, it is necessary to make to compare 2 waveforms time shaft on length（The length of Wave data sequence）Unanimously.CPU47 is to first waveform data sequence and When two Wave data sequences are compared, extracted from the second Wave data sequence and first waveform data sequence equal length Wave data sequence, obtains the Wave data sequence of extraction and the similar degree of first waveform data sequence.

Hereinafter, more specifically illustrate.CPU47 prepares in the Wave data in buffer circle 55 and 56 hypothetically Take out the imaginary frame of acquired Wave data sequence between defined time range（Downstream frame and upstream side frame）. CPU47 is to downstream frame（First imaginary frame）Interior Wave data and upstream side frame（Second imaginary frame）The weight of interior Wave data It is folded（Similar degree）Evaluated.

Downstream frame（First imaginary frame）It is for imaginary in the Wave data of downstream buffer circle 55 from putting aside Take out the Wave data sequence continuously obtained in the range of the very first time in ground（First waveform data sequence）Imaginary frame.Specifically Say, as shown in figure 5, downstream frame be set to be included in it is newest in the Wave data stored by downstream buffer circle 55 Data at 64（The Wave data of the index ［ 64 ］ to index ［ 127 ］ of downstream buffer circle scope）.Said in following In bright, the index of oldest data is apparent in the front position of imaginary frame in the Wave data that imaginary frame is included.Under for example In the case of swimming side frame, front position is index ［ 64 ］.

Upstream side frame（Second imaginary frame）It is for from the upstream side buffer circle 56 obtained in the second time range Wave data sequence（Second Wave data sequence）In, hypothetically take out the time range with very first time scope equal length Wave data sequence（Wave data at 64）Imaginary frame.Upstream side frame is set so as to be stored in upstream side loop buffer The index ［ 32 ］ in area 56 to index ［ 127 ］ scope（Second time range）Wave data in data at continuous 64.

Second Wave data sequence becomes big by 32 to past direction scope on a timeline compared with first waveform data sequence Locate Wave data.The front position of upstream side frame can be set in the front position than downstream frame more by direction displacement in the past 32 sentence the position of interior Wave data.The index of the front position of downstream frame and the front position of upstream side frame difference is referred to as " frame departure " or it is only called " departure ".

If setting upstream side frame as described above, CPU47 is from Wave data at the 64 of set upstream side frame in The extraction of Wave data is carried out based on extraction conditions, new upstream side frame is created based on the Wave data extracted.It is to subtract （Reject）The frame of the quantity for the Wave data that upstream side frame is included.As extraction conditions, for example, there are upstream side frame institute Comprising Wave data skip one and extracted, or skip two and extract etc..Equally, CPU47 is from set downstream At the 64 of side frame in Wave data, the extraction of Wave data is carried out based on extraction conditions, based on the Wave data wound extracted Build new downstream frame.For example, the online gait of march of extraction conditions（Sample rate）Beyond defined line gait of march（It is defined Sample rate）In the case of be changed.Due to the processing time constant related to the acquirement of line travel information, so in sampling In the case that speed accelerates, the number increase of the time sampling of line travel information is obtained every time.In this case, for being sampled Number for, obtain line travel information ratio reduction.Therefore, extraction conditions are for example set like that below.Defined In the case that sample rate is less than first threshold, without rejecting.In the situation that defined sample rate is more than first threshold Under, skip a Wave data and rejected.In the case where defined sample rate is more than Second Threshold, two ripples are skipped Graphic data is rejected.

If setting eliminates the upstream side frame and downstream frame of the quantity of Wave data, CPU47 obtains upstream side frame Comprising the waveform that is included of waveform and downstream frame overlap onto the index that is, similar degree of which kind of degree.Line inequality sensor Include biasing composition in 43 and 44 output signal.Accordingly, there exist the sensitivity because of the uneven sensor 43 and 44 of line Deviation, the situation that 2 waveforms will not be successfully overlapping if directly using output signal.CPU47 is to upstream side frame and downstream The Wave data of frame in, is biased composition and removes and normalized.Biasing composition, which is removed, to be referred to as shown in fig. 6, retrieving meter The minimum value of the data of frame in is calculated, the processing of minimum value is subtracted from the value of each data.Normalization refers to the value divided by meter of each data Calculate the processing of the aggregate value of the data of frame in.Thus, the area for calculating the curve map of the waveform of frame in is normalized to 1.Due to Composition removing and the normalization of waveform are biased respectively to the Wave data in upstream side and downstream, so can absorb every The deviation of the biasing composition of the uneven sensor 43 and 44 of individual line and/or the uneven sensor 43 and 44 of each line it is sensitive Degree is poor.

If being biased composition to remove and normalized processing, CPU47 performs the data sequence for obtaining downstream frame in （The waveform of First Line thickness inequality signal）With the data sequence of upstream side frame in（The waveform of second line thickness inequality signal）'s The similar degree evaluation processing of similar degree.Due to so evaluating the similar degree of 2 waveforms, it is possible to say CPU47 as similar degree Evaluation section 65 plays a role.

The front position that the front position of upstream side frame can be set in than downstream frame is sentenced to past direction displacement 32 Interior position.Frame departure can be made（Defined departure）Change in the range of 0 to 32.The one side of similar degree evaluation section 65 exists The change of frame departure is set to perform above-mentioned similar degree evaluation processing repeatedly on one side in above range.Similar degree evaluation section 65 is at second Between select position on the time shafts of multiple upstream side frames in scope, and evaluate each similar for the plurality of position Degree.Thus, similar degree evaluation section 65 obtains multiple similar degrees.By the way that the second time range is set to than very first time scope It is long, and upstream side frame movement can be made repeatedly to carry out similar degree evaluation in second time range.Therefore, CPU47 can Obtain multiple similar degrees.The result for obtaining multiple similar degrees corresponding with frame departure is that CPU47 such as Fig. 7 like that, can be obtained To frame departure and the relation of similar degree.CPU47 is only extracted in the relation of the frame departure obtained and similar degree, similar degree into For great maximal point（Similar degree maximal point）, obtain frame departure at each maximal point extracted as shown in Figure 8 and similar The relation of degree.The processing for only extracting the maximal point is held to suppress the generation error in the case where being weighted to similar degree Capable.The detailed content of the weighting is specifically aftermentioned.So, maximal point is the point for the extreme portions for only extracting similar degree, represents class Like degree.

The effect rejected the Wave data of upstream side frame and downstream frame in and obtain similar degree is illustrated.If root According to sample frequency obtained from the rotation information based on coiler drum 24, with constant length to from the uneven sensor 43 of line and 44 output signal is sampled, then can improve the resolution ratio of the gait of march of the spinning line 20 calculated.For example, online not Distance between equal sensor 43 and 44 is for 10mm, based on sample rate whenever spinning line 20 moves the feelings that 1mm is just sampled Under condition, resolution ratio be 5/10,6/10,7/10,8/10 ... like that, 1/10 times as sample rate.Now, if obtaining similar The scope of degree is 20mm（20index amount）, then the evaluation that similar degree is carried out to Wave data at 20 handles.It is every in spinning line 20 In the case that mobile 0.5mm is just sampled, resolution ratio is 1/20 times of sample rate, but needs to enter Wave data at 40 The evaluation processing of row similar degree.So, resolution ratio and processing time are in the relation of balance.Then as in the present embodiment, By shorten sampling interval can improve spinning line 20 gait of march resolution ratio, and by reject upstream side frame and The Wave data of downstream frame in and the processing time of similar degree evaluation can be shortened.

Similar degree for it is maximum when be upstream side frame waveform and downstream frame waveform it is most preferably overlapping when.From other Viewpoint for, at this point it suffices to say that Wave data sequence and downstream buffer circle in upstream side buffer circle 56 The state that time deviation Δ T between 55 Wave data sequence is eliminated.It is therefore contemplated that when similar degree turns into maximum The time deviation Δ T-phase of the waveform of frame departure, the waveform with upstream side buffer circle 56 and downstream buffer circle 55 Correspondence.Frame departure when turning into maximum namely based on similar degree, can calculate the time deviation Δ T of waveform.For deviation delta T calculating is specifically aftermentioned.

Clear line device 15 can substitute into formula by the Δ T that will be obtained（1）, and calculate the gait of march of spinning line 20.Such as with It is upper such, clear line device 15 can the similar degree based on 2 waveforms, obtain the gait of march of spinning line 20.Wherein, in this embodiment party It is not the gait of march for directly calculating spinning line 20 using similar degree as described above in the clear line device 15 of formula, but as after State like that, the gait of march of spinning line 20 is calculated using the similar degree of weighting was carried out.

In the present embodiment, obtained multiple similar by making upstream side frame move on a timeline as described above Degree, but be also contemplated for replacing this and making downstream frame move on a timeline.Wherein, if making upstream side as in the present embodiment Frame is moved on a timeline, then downstream frame can be with comprising newest in the Wave data contained by downstream buffer circle 55 Position on the mode set time axle of Wave data（In Figure 5, downstream frame can be fixed on to the position most kept right）.By This, clear line device 15 can use the uneven signal of change of the newest line thickness in downstream to go out time deviation Δ T, so can be real-time Obtain the gait of march of spinning line 20 in ground.

Continue similar state sometimes because the thickness of the spinning line 20 of traveling is uneven, thus line inequality sensor 43 and 44 signals exported also continue similar waveform sometimes.In this case, the waveform of upstream side and the waveform in downstream are more Individual location overlap, so as shown in Figure 7, in the moving range of upstream side frame, representing the big peak value of similar degree（Maximal point）'s Frame departure exists multiple.If so there is the big peak value of multiple similar degrees in the moving range of upstream side frame, it is difficult point The time deviation Δ T that the frame departure of which peak value can be used to calculate waveform is distinguished, is come sometimes using the frame departure of mistake Calculate line gait of march.

In the present embodiment, in order to eliminate similar degree as described above peak value be difficult differentiate, to similar degree carry out Weighting.Hereinafter, reference picture 9 illustrates the line gait of march acquirement processing performed by CPU47 in the present embodiment.

Sampled whenever with 45 pairs of new data of the first A/D converter, and the new Wave data is appended to annular In buffering area 55 and 56, then CPU47 is carried out the line gait of march acquirement processing shown in Fig. 9 flow chart.If initial row Enter speed acquirement processing, then CPU47 as described above, reject downstream frame in Wave data, be biased composition remove and The normalization of waveform（Step S101）.

Next, CPU47 carries out the initialization of frame departure（The initialization of the position of upstream side frame）（Step S102）. In present embodiment, frame departure is initialized as 32.Thus, upstream side frame is set at from the frame of downstream and Wave data 32 points of suitable positions to past deviation.Therefore, upstream side frame contains the index ［ 32 ］ of upstream side buffer circle 56 extremely The Wave data of index ［ 95 ］ scope（Reference picture 5）.

If determining the position of upstream side frame, CPU47 as described above, rejects the Wave data of upstream side frame in, entered Row biasing composition removes the normalization with waveform（Step S103）.

Then, CPU47 is to the Wave data of upstream side frame in and the Wave data of downstream frame in, and similar degree is obtained in progress Similar degree evaluation processing（Step S104）.If calculating similar degree, CPU47 preserves the frame deviation of each maximal point of similar degree Amount（Reference picture 8）（Step S105）.

Then, CPU47 carries out the judgement whether moving range of upstream side frame has terminated（Step S106）.In this embodiment party In formula, make upstream side frame in the scope that frame departure is 32 to 0（That is, upstream side frame is limited in the range of the second time range） It is mobile.In the case where above-mentioned moving range is not over（Step S106：It is no）, a frame departure is subtracted in step S107 （Upstream side frame is set to stagger one to Fig. 5 right direction）, return to step S103.In the case where above-mentioned moving range terminates（Step Rapid S106：It is）, enter step S108.

Circular treatment more than, the position of upstream side frame on a timeline of staggering is while be repeated step S103 to S107 processing.Thus, in the moving range of upstream side frame（Scope of the frame departure from 0 to 32）It is middle to carry out multiple class Processing and weighting processing are evaluated like degree, therefore CPU47 can obtain multiple similar degrees.The data being saved in step S105 are every When the line gait of march acquirement processing for starting new is just reset.

Then CPU47 is for calculated multiple maximal points, carries out in order to calculate the ripple of upstream side buffer circle 56 The use that the time deviation Δ T of the Wave data of graphic data and downstream buffer circle 55 and the maximal point that uses are judged Judgement is handled（Step S108）.

Hereinafter, the flow chart of reference picture 10, is illustrated using the content for judging processing.If CPU47 starts using judgement Processing, then carry out being weighted each maximal point shown in Fig. 8 the weighting processing for handling and calculating weighted maximum point（Step S201）.Due to being so weighted processing, so CPU47 as weighting processing unit 66 it may be said that play a role.The following description In, in the case where needs and weighted maximum point are distinguished, the maximal point before being weighted is especially referred to as sometimes " original Maximal point ".Above-mentioned weighting processing is to be multiplied by weight coefficient by the value to original maximal point to carry out.That is, if frame is inclined Original maximal point during residual quantity c_index is set to S_{c_index}, the weight coefficient for frame departure c_index is set to W_{c_index}, then weighted maximum point S '_{c_index}Can be with following formula（3）Obtain.

S′_{c_index}=S_{c_index}×W_{c_index}…（3）

By weight coefficient W during some frame departure c_index_{c_index}It is by designated frame departure to be set to what kind of value Determined with the weighted curve of the relation of weight coefficient.The example of the weighted curve is shown on the upside of Figure 11.Such as Figure 11 institutes Show, weighted curve is configured in defined frame departure c_index position there is a weight coefficient to turn into the pole of peak value Big value, and be configured to the peak value is deviateed, the value of weight coefficient is gently reduced.Therefore, by using bent by the weighting The weight coefficient that line is specified carries out the weighting to maximal point, so that the maximal point near the peak value of the weighted curve is strong Adjust, and the maximal point beyond it is pressed.The result is that as shown in Figure 11 downside, can suppress unnecessary in multiple maximal points Maximal point intensity（Similar degree）.

Illustrate the effect that processing is weighted to maximal point.For example, shown in the epimere such as Figure 12 A to not being weighted In the case that original similar degree is weighted using weighted curve, sometimes as shown in Figure 12 A lower end, the similar degree after weighting That is, the maximal point of weighting similar degree can deviate the position of the maximal point of original similar degree（Frame departure）.In addition, for example, In the case of being weighted as shown in Figure 12 B epimere to the original similar degree not being weighted using weighted curve, sometimes As shown in Figure 12 B hypomere, weighting the quantity of the maximal point of similar degree can increase.

In the present embodiment, as shown in figure 11, maximal point is weighted, it is inclined thus, it is possible to the position that suppresses maximal point The generation of difference and/or the increase of the quantity of maximal point.Therefore, in the present embodiment, can precision preferably added Power processing.

In the present embodiment, as weighted curve, resume weighting curve and sample rate weighting curve are used.In step CPU47 is carried out the processing being weighted using resume weighting curve to maximal point and uses sample rate weight respectively in S201 The processing that curve is weighted to maximal point.

Resume weighting curve is configured to：When weighted maximum point turns into maximum in previous line gait of march acquirement processing Frame departure（Datum drift amount）Neighbouring weight coefficient becomes big.Because line gait of march continuously changes, it is believed that by this Secondary line gait of march obtains the line gait of march that processing is obtained（Calculate departure）With by previous line gait of march acquirement The line gait of march that reason is obtained（Datum drift amount）There is no relatively big difference.Therefore, in current line gait of march acquirement processing Maximal point is maximum frame departure（Calculate departure）Maximal point in previous line gait of march acquirement processing is most Big frame departure（Datum drift amount）Neighbouring probability is very high.In other words, the previous line gait of march of deviation is appeared in take Maximal point in must handling is that the original maximal point of the position of maximum frame departure is puppet not corresponding with line gait of march The possibility of maximal point is high.Maximal point in the preferred pin line gait of march acquirement processing previous to deviateing is maximum frame deviation Original maximal point at the position of amount, reduces weight coefficient to reduce importance.For the resume weighting curve, in detail after State.

Sample rate weighting curve is configured to：With the rotation information based on coiler drum 24 and calculate sampling speed Spending corresponding frame departure, nearby weight coefficient becomes big.That is, it can be seen that line gait of march changes near sample rate, Will not larger deviation sample rate.It is therefore contemplated that the Wave data in upstream side buffer circle 56 is relative to downstream The time deviation Δ T of Wave data in side buffer circle 55 and the corresponding frame deviation of above-mentioned sample rate neighbouring generation Change.For it is from other viewpoints, the original pole for the position for deviateing frame departure corresponding with sample rate is appeared in It is the possibility height of pseudo- maximal point not corresponding with line gait of march a little louder.It is then preferred that corresponding with sample rate for deviateing Frame departure position at original maximal point, reducing weight coefficient reduces importance.It is bent for the sample rate weight Line, particular content is aftermentioned.

Figure 10 is returned to, CPU47 is calculating multiple weighting poles using resume weighting curve and sample rate weighting curve After a little bigger, similar degree is extracted（Similar degree after weighting）Maximum weighted maximum point（Step S202）.CPU47 judges whether to extract The maximum weighted maximum points of multiple similar degrees（Step S203）.Only extracting the maximum weighted maximum point of a similar degree In the case of（Step S203：It is no）, CPU47 is by the maximal point extracted in step S202 as the time for being used to calculate Wave data Deviation delta T maximal point（Object weights similar degree）.

In the case where being extracted the maximum weighted maximum point of multiple similar degrees（Step S203：It is）, CPU47 is for extracting The weighted maximum point gone out, compares the similar degree before weighting.As result of the comparison, it is maximum that CPU47 extracts the similar degree before weighting Weighted maximum point（Step S204）.CPU47 judges whether to be extracted the maximal point of the similar degree maximum before multiple weightings（Step S205）.The weighted maximum point of similar degree maximum before weighting is only extracted in the case of one（Step S205：It is no）, The maximal point extracted in step S204 is used as the maximal point for the time deviation Δ T for being used to calculate Wave data by CPU47（Object Weight similar degree）.

The maximum weighted maximum point of similar degree before weighting be extracted it is multiple in the case of（Step S205：It is）, first, CPU47 in the weighted maximum point extracted, extract with previous line gait of march acquirement processing maximal point turn into The maximal point of the maximum immediate frame departure of frame departure.The weighted maximum extracted point is used as being used to calculate by CPU47 The time deviation Δ T of Wave data maximal point（Object weights similar degree）（Step S206）.So, CPU47 is from multiple weightings The maximal point for calculating deviation delta T is extracted in maximal point, is used to calculate the very big of deviation delta T so CPU47 also serves as extracting The travel information obtaining section 67 of point plays a role.

Next, the processing after terminating to above-mentioned use judgement processing is illustrated.CPU47 is when holding using judgement processing At the end of row, the flow for returning to Fig. 9 enters step S109 processing.

In step S109, use judgements of the CPU47 based on step S108 handles the frame departure of used maximal point, Calculate the gait of march of spinning line 20.In addition, in the following description, by the frame departure of the step S108 maximal points used Referred to as " the maximum correspondence departure specifically used ".It is considered that the maximum correspondence departure and upstream side ring that specifically use The Wave data of shape buffering area 56 is corresponding with the time deviation Δ T of the Wave data of downstream buffer circle 55.It is current to use Maximum correspondence departure refer to make downstream frame on the time shaft of upstream side frame from newest position shown in Figure 13 When being moved to past direction, untill the waveform of upstream side buffer circle 56 is consistent with the waveform of downstream buffer circle 55 Frame departure.In Figure 13 example, the 8index that downstream frame staggers from index ［ 127 ］ to index ［ 119 ］ is represented During amount, the Wave data of upstream side buffer circle 56 situation consistent with the Wave data of downstream buffer circle 55（That is, Frame departure is 8 situation）.

Therefore, in Figure 13 example, index ［ 127 ］ to index ［ 119 ］ time-amplitude and upstream side loop buffer The Wave data in area 56 is corresponding with the time deviation Δ T of the Wave data of downstream buffer circle 55.

CPU47 just measures sampling time interval when being sampled to the uneven signal of line thickness every the sampling interval.CPU47 Due to the time interval of measurement sampling, so being played a role as measurement unit 73.CPU47 add up index ［ 127 ］ to index 119 ］ each sampling time interval.That is, CPU47 to index ［ 127 ］ to index ［ 126 ］ sampling time interval, index 126 ］ sampling time interval to index ［ 125 ］ ..., index ［ 120 ］ to index ［ 119 ］ sampling time interval tired out Meter.The accumulated result is the time deviation Δ T of waveform.

To being illustrated by accumulative effect of the sampling time interval to calculate the time deviation Δ T of waveform.Due to for example, When the gait of march of spinning line 20 is constant, sampling time interval is constant, so passing through sampling time interval × frame departure （Index quantity）Obtain the time deviation Δ T of waveform.Spinning line 20 average gait of march be in accelerate when, Because sampling time interval gradually shortens, thus with newest sampling time interval × frame departure（Index quantity）Compare The time deviation Δ T of waveform is elongated.When the average gait of march of spinning line 20 is in and slowed down, the time deviation Δ of waveform T shortens.As in the present embodiment, calculate the time deviation Δ T of waveform by adding up sampling time interval, thus even in Spinning line 20 carries out also calculating deviation delta T exactly in the case of acceleration-deceleration.

CPU47 substitutes into formula by the Δ T that will be obtained as described above（1）, and calculate the gait of march of spinning line 20（Step S109）.So, by calculating the gait of march of spinning line 20 based on the maximal point being weighted, even in original pole Exist a little louder it is multiple in the case of, CPU47 can also calculate the gait of march of spinning line 20 exactly.In the present embodiment, As described above, carry out preventing the use judgement processing using the low maximal point of reliability.Thus, CPU47 can be obtained reliably The high line gait of march of property.

CPU47 changes the sampling period of the second A/D converter 46 based on the line gait of march obtained as described above.Tool Say, CPU47 generates fixed length pulse signal with the frequency that is directly proportional to line gait of march body, and by the fixed length pulse signal of generation Sent to the second A/D converter 46.Line gait of march is that the accurate line obtained based on the maximal point being weighted is advanced Speed.Therefore, it is thick by carrying out the line based on the second A/D converter 46 according to the fixed length pulse signal based on the line gait of march The sampling of thin inequality signal, and the data bulk of the per unit length of spinning line 20 can be made constant exactly.

The line gait of march obtained as described above is sent to unit control unit 50.Unit control unit 50 is according to from clear line The gait of march for the spinning line 20 that device 15 is sent, control signal is sent to motor controling part 54, controls the rotation of coiler drum 24 Turn.Thus, winding thread unit 10 can carry out the winding of package 30 according to the accurate gait of march of spinning line 20.Unit control unit The gait of march of 50 pairs of spinning lines 20 is integrated with the time, thus, it is possible to calculate the total of the spinning line 20 wound on package 30 It is long.Thus, for example, winding thread unit 10 can terminate the winding of spinning line 20 at the end of the spinning line 20 of specific length is wound To complete package.Thus, winding thread unit 10 can make the length homogenization wound on the spinning line 20 of each package 30, therefore energy Enough produce the package 30 of even length.

In the above description, CPU47 is illustrated as the device for the gait of march for calculating spinning line 20, but is not Line travel information must be obtained in the form of speed.For example, spinning the line 20 mobile 2cm between 1 second, the mobile 3cm between lower 1 second In the case of, CPU47 can obtain that " information as adding up to mobile 5cm " between 2 seconds, can be without such as " 2.5cm " per second Information is so obtained in the way of speed.In addition, the information of so " length that spinning line 20 is temporally moved " be also with it is spinning The related information of the travel condition of line 20, it is possible to say be line travel information one kind.

Next, illustrating the determining method of above-mentioned weighted curve.In the present embodiment, above-mentioned weighted curve includes resume Weighting curve and sample rate weighting curve.

First, resume weighting curve is illustrated.Resume weighting curve is configured to as described above：In previous line Nearby weight coefficient becomes big to frame departure when weighted maximum point turns into maximum in gait of march acquirement processing.That is, resume weight The maximal point of curve is set based on the previous frame departure calculated.In addition, the resume weighting curve be with based on First Line The frame departure of thickness inequality signal and the uneven signal of the second line thickness（Defined departure）Speed than corresponding weighting Curve.

Hereinafter, illustrated using concrete example with speed than corresponding weighted curve.Often the A/D of traveling 1mm the first turn spinning line 20 Parallel operation 45 is just sampled to the uneven signal of line thickness.Now, calculated if based on the rotation information of coiler drum 24 The gait of march of spinning line 20 is 1000mm/sec, then sampling time interval is 1msec.Now, if making First Line inequality biography The line of sensor 43 and second inequality sensor 44 at intervals of 10mm, the gait of march of actual spinning line 20 is 1000mm/ Sec, then Fig. 9 step S108 maximal points used frame departure value for 10.Missed however, existing in sample frequency etc. Difference, in the case that the frame departure calculated is 9, the gait of march of actual spinning line 20 for 1000 ×（10/9）Mm/ sec.Equally, in the case where the frame departure calculated is 11, the gait of march of actual spinning line 20 for 1000 ×（10/ 11）Mm/sec.So, even if frame departure is 1, speed ratio is also different.Therefore, frame departure is not based on to determine weight, And need to determine with the speed based on frame departure than corresponding weight.

As shown in Figure 14 A, CPU47 obtains the speed based on the frame departure as benchmark and the frame departure calculated Than.In Figure 14 A, molecule be expressed as on the basis of frame departure, denominator represents the frame departure calculated.Frame as benchmark Departure is frame departure corresponding with sample rate, is herein 10.The speed ratio is by by the frame departure as benchmark 10 as molecule, and the frame departure 1 of denominator is changed and created.Next, as shown in Figure 14B, CPU47 relative to The speed ratio obtained, which is obtained, considers the previous frame departure calculated（Datum drift amount）The first resume erection rate ratio.Example Such as, in the case that the previous frame departure calculated is 13, the speed ratio of the frame A shown in Figure 14 A is used（10/13）, calculate First resume erection rate ratio.Specifically, first resume erection rates of the CPU47 in the frame C obtained shown in Figure 14 B than In the case of, with frame B speed ratio（10/11）Divided by frame A speed ratio（10/13）, thus calculate frame C the first resume amendment Speed ratio（13/11）.The first resume erection rate in same frame D is than can be by using the speed ratio in frame A divided by frame A speed Degree compares and obtained.

Next, as shown in Figure 14 C, CPU47 obtains the second resume erection rate ratio.The second resume erection rate ratio is To cause the first resume erection rate ratio corresponding with the previous frame departure calculated（Frame D speed ratio 13/13）As most The mode being worth greatly, to the first resume erection rate more than the value than the value that is modified.Specifically, to the first resume Erection rate than " 13/7 ", " 13/8 " more than 13/13 ..., " 13/12 " denominator for being respectively worth and molecule enter line replacement, calculate Second resume erection rate ratio.The the first resume erection rate ratio for being not above 13/13 is directly used as the second resume erection rate Than.

CPU47 uses the second resume erection rate ratio, obtains resume weighting curve.Specifically, resume weighting curve by Specify the resume weight coefficient W to form resume weighting curve_PWith the following formula of the second relation of the resume erection rate than N （4）Definition.

W_P=exp（-（1-N）²/ W）…（4）

In addition, W is the constant that user can set.

Figure 14 D are shown with formula（4）The example of the resume weighting curve calculated.Here, as making previous frame deviation Amount 13 is great resume weighting curve.

In above-mentioned example, show to the previous frame departure calculated be 13 in the case of resume weighting curve enter The example that row is calculated, but the other values of resume weighting curve in the case of being to(for) the previous frame departure calculated also counts in advance Calculate.CPU47 can select to use corresponding with previous frame departure when being weighted maximal point using resume weighting curve Resume weighting curve.

Next, explanation sample rate weighting curve.Sample rate weighting curve is configured to as described above：With base Weight coefficient becomes big near the corresponding frame departure of sample rate that the rotation information of coiler drum 24 is calculated.Sampling speed The maximal point of degree weighting curve is frame departure in the case of being advanced based on spinning line 20 with sample rate and is set.Should Sample rate weighting curve is same with resume weighting curve, is not based on frame departure and determines weight, but needs to determine and base In frame departure speed than corresponding weight.Therefore, sample rate weighting curve be with based on the uneven signal of First Line thickness And second the uneven signal of line thickness frame departure（Defined departure）Speed than corresponding weighted curve.

As shown in fig. 15, CPU47 obtains the speed based on the frame departure as benchmark and the frame departure calculated Than.In Figure 15 A, molecule be expressed as on the basis of frame departure, denominator represents the frame departure calculated.Frame as benchmark Departure is frame departure corresponding with sample rate, is 10 herein.The speed ratio is the frame departure by becoming benchmark 10 be molecule, and make 1 change of frame departure of denominator and create.

Next, as shown in fig. 15b, CPU47 obtains sample rate erection rate ratio.The sample rate erection rate ratio is To cause the corresponding speed ratio of the frame departure in the case of being advanced with spinning line 20 with sample rate（Frame E speed ratio 10/ 10）Mode as maximum value, the speed ratio more than the value is modified obtained by value.Specifically, speed ratio is surpassed Cross 10/10 " 10/7 ", " 10/8 ", the denominator and molecular replacement of each value of " 10/9 ", calculate sample rate erection rate ratio. The erection rate ratio for being not above 10/10 is used directly as sample rate erection rate ratio.

CPU47 uses sample rate erection rate ratio, obtains sample rate weighting curve.Specifically, sample rate is weighed Weight curve forms the sample rate weight coefficient W of sample rate weighting curve by specifying_AWith sample rate erection rate than N's The following formula of relation（5）Definition.

W_A=exp（-（1-N）²/ W）…（5）

In addition, W is the constant that user can set.

Figure 15 C are shown with formula（5）And the example of the sample rate weighting curve calculated.Example shown in Figure 15 C is Make spinning line 20 advanced with sample rate in the case of frame departure（10）For great sample rate weighting curve.

In above-mentioned example, when the frame departure in the case of being advanced to spinning line 20 using sample rate being shown as 10 The example that sample rate weighting curve is calculated, but because sample rate changes, adopted so being precalculated by each sample rate Sample speed weighting curve.CPU47 when being weighted using sample rate weighting curve to maximal point, can select, using with The sample rate weighting curve of the corresponding frame departure of sample rate.

CPU47 is similar based on weighting when weighted maximum point turns into maximum in previous line gait of march acquirement processing Degree, can also correct the resume weight coefficient W of resume weighting curve_PWith the sample rate weight coefficient of sample rate weighting curve W_A.Specifically, if by weighting similar degree when weighted maximum point turns into maximum in previous line gait of march acquirement processing It is set to S_P, then revised resume weight coefficient W_P' and revised sample rate weight coefficient W_A' respectively with following formula （6）And formula（7）Definition.

W_P'=S_P×W_P…（6）

W_A'=（2S '-S_P）W_A…（7）

In addition, S ' is to stablize coefficient resemblance, for example, the minimum of similar degree can be set etc..

For the amendment of the resume weight coefficient and sample rate weight coefficient, in similar degree S_PIncrease in the case of big Strong resume weight coefficient W_PInfluence, in similar degree S_PStrengthen the influence of sample rate weight coefficient in the case of small.This is to be based on In view of in previous similar degree S_PIn the case of big, the reliability of resume weighting curve is more reliable than sample rate weighting curve Property it is high.Therefore, by carrying out the amendment, the maximal point that reliability can be selected high.So, CPU47 is based on previous similar degree Resume weight coefficient and sample rate weight coefficient are modified, thus CPU47 also serve as to resume weight coefficient and The travel information obtaining section 67 that sample rate weight coefficient is modified plays a role.

Present embodiment is constituted like that for more than, weighting processing unit 66 using with based on the uneven signal of First Line thickness and The speed of the frame departure of second line thickness inequality signal is than corresponding weighted curve（Resume weighting curve and sample rate power Weight curve）, processing is weighted respectively to multiple maximal points.So, by using corresponding to the speed ratio based on frame departure Weighted curve, and departure can suitably set weight per frame.Therefore, by using with the speed based on frame departure Than corresponding weighted curve, can more accurately be weighted processing, can precision preferably obtain the traveling shape of spinning line 20 State.

Weighted curve has a maximum.By using such weighted curve, and can be to multiple poles of similar degree Suitably it is weighted a little louder.

Weighting processing unit 66 using consider over the frame departure calculated resume weighting curve and consider sampling The sample rate weighting curve of speed and maximal point is weighted.Thereby, it is possible to extract, to consider the frame that calculates over inclined The appropriate object weighting similar degree of residual quantity and sample rate, can obtain more accurately line travel information.

Travel information obtaining section 67 weights similar degree based on the object calculated in the past, to resume weighting curve and sampling Speed weighting curve is modified.Thereby, it is possible to obtain considering over the resume weight that the object calculated weights similar degree Curve and sample rate weighting curve, can more suitably be weighted.In addition, travel information obtaining section 67 was counted with the past The value for the weight coefficient that the object weighting similar degree of calculation becomes big and specifies resume weighting curve becomes big, and as the past calculates The object weighting similar degree gone out diminishes and the value of the weight coefficient specified by sample rate weighting curve is become into big.Calculated in the past Go out object weighting similar degree it is big in the case of, it may be said that the reliability of resume weighting curve can than sample rate weighting curve It is high by property.By weighting the weight coefficient that similar degree becomes big and specifies resume weighting curve with the object calculated in the past Value becomes big, so as to be suitably modified according to actual conditions to resume weighting curve and sample rate weighting curve.

Travel information obtaining section 67 can also be sentenced in the case of multiple weighted maximum points are obtained by use Break and handle and suitably extract the maximal point of the time deviation Δ T for calculating Wave data.

Similar degree evaluation section 65 only calculates multiple maximal points in the similar degree calculated.In this case, only to similar The maximal point of degree is weighted processing.Thus, the position of frame departure can be kept intact for these maximal points and only Value to similar degree is improved or reduced（It is weighted）, can more accurately be weighted.

By when calculating the time deviation Δ T of Wave data, adding up sampling time interval, even if so that for example spinning In the case of the acceleration-deceleration of line 20, the time in the case that spinning line 20 travels frame departure also can be more accurately obtained.

Winding thread unit 10 have can calculate the clear line device 15 of outlet gait of march as described above, so can use by The travel information for the high-precision spinning line 20 that clear line device 15 is obtained carries out the control in each portion.

More than, one embodiment of the present invention is illustrated, but the present invention is not limited to above-mentioned embodiment.Example Such as, in the above-described embodiment, rotate package using by one side of coiler drum 24 of rotation, while on the surface of the package Make the composition of the spinning traversing of line 20, but be not limited thereto, even the driving being wrapped and the coil winding machine of the composition of traversing independence Also can be using composition of the invention.As such coil winding machine, for example, the arm having by carrying out gyration can be enumerated Make the arm-type traversing gear of the spinning traversing of line 20 or spinning line is made by the repiece component that bilateral reciprocation is carried out by belt Automatic winding machine of the belt transverse device of 20 traversings etc..

The line travel information acquisition device of the present invention is not limited to automatic winding machine, for example, can also apply to weaving loom Deng other line processing units.

In the above-described embodiment, the uneven sensor 43 and 44 of line uses the composition of the change of observation light income, but It may, for example, be the uneven sensor of line of the change type of the electrostatic capacitance for the spinning line 20 that detection is advanced.In the situation of this composition Under, the change of the quality of the per unit length of spinning line 20 can be detected.In a word, as long as being configured to detect essence with some form Spin 20 thickness it is uneven.

Weighted curve need not be the form of exponential function as illustrated in embodiment, as long as with some form can It is weighted.

In the above-described embodiment, by weighted curve（Resume weighting curve and sample rate weighting curve）Use exponential function （Exp functions）To define, but it is not limited thereto, as long as the function with a maximum can just use arbitrary function In the definition of weighted curve.

In clear line device 15, explanation obtains the composition of the line travel informations such as fixed length pulse signal, line gait of march, but also may be used Other line travel informations are obtained to be configured to replace it., can also be by the line row that will obtain for example, in clear line device 15 Enter speed to be integrated with the time, and obtain the overall length of the spinning line 20 of traveling.

In clear line device 15, line gait of march can not also be calculated, and for example only obtains the time deviation Δ T of waveform.Ripple The time deviation Δ T of shape is advanced and produced by spinning line 20, it can be said that being the travel information of spinning line 20.This Outside, in this case, the time deviation Δ T of the waveform calculated by clear line device 15 can also be exported to unit control unit 50, In the unit control unit 50, the calculating of the line gait of march using Δ T is carried out.

In the above-described embodiment, the line gait of march calculated from clear line device 15 is exported to unit control unit 50, but Can also output line gait of march as numeric data, can also export otherwise.For example, can also be configured to will be above-mentioned Fixed length pulse signal exported to unit control unit 50.

The second A/D converter 46 that clear line device 15 possesses is used to carry out FFT calculating, so being calculated without FFT In the case of can also omit the second A/D converter 46.

In the above-described embodiment, employ based on the rotation from the turn-sensitive device 42 for being configured to rotary encoder Pulse signal obtains the composition of sample rate, but is not limited to this.

In the above-described embodiment, weighted curve is shown as, resume weighting curve, sample rate weighting curve has been used Example, but it is also possible to using only any one party.

In the above-described embodiment, make the front position of downstream frame to fix, make the front position displacement of upstream side frame And obtain similar degree.This composition can also be replaced, the front position of upstream side frame is fixed, and makes the front position of downstream frame Displacement simultaneously obtains similar degree.Alternatively, it is also possible to move downstream frame and upstream side Zheng Liang orientation and obtain similar degree.But, by As long as the position of newest data in making downstream frame be fixed on comprising the Wave data contained by the buffer circle of downstream, just Always newest data can be used to calculate similar degree in real time, so particularly preferably.

In the above-described embodiment, using realized by hardware and software similar degree evaluation section 65, weighting processing unit 66, The composition of the function of travel information obtaining section 67, line quality determination portion 68, sample rate obtaining section 72 and measurement unit 73 etc., but Can also be some or all compositions that the function is realized by special hardware.

Claims (15)

1. a kind of line travel information acquisition device, it is characterised in that possess：

First test section, it detects that the thickness for the line advanced is uneven and exports the uneven signal of First Line thickness；

Second test section, the upstream side of its online direct of travel is configured separated by a distance with first test section, detects institute State the thickness inequality of line and export the uneven signal of the second line thickness；

Similar degree evaluation section, its based on the uneven signal of the First Line thickness that is obtained during very first time scope and The uneven signal of the second line thickness obtained during second time range longer than the very first time scope, to obtain Multiple similar degrees between the uneven signal of the First Line thickness and the uneven signal of the second line thickness；

Weight processing unit, its using by with speed than weight coefficient that corresponding weighted curve is specified come to the multiple similar degree Processing is weighted respectively, and calculates multiple weighting similar degrees, wherein, the speed ratio is to be based on the First Line thickness not The datum drift amount of equal signal and the uneven signal of the second line thickness is obtained with departure is calculated；With

Travel information obtaining section, it calculates described second based on weighting similar degree maximum in the multiple weighting similar degree The time deviation of line thickness inequality signal and the uneven signal of the First Line thickness, and based on the distance and the time deviation To obtain the travel information of line.

2. line travel information acquisition device according to claim 1, wherein,

The weight coefficient is specified by the weighted curve with a maximum.

3. line travel information acquisition device according to claim 2, wherein,

The maximum of the weighted curve is set based on the travel information obtained in the past in the travel information obtaining section It is fixed.

4. line travel information acquisition device according to claim 2, wherein,

It is also equipped with obtaining the sample rate obtaining section of the sample rate of the line,

The maximum of the weighted curve based on the line with the sample rate advance in the case of the travel information And be set.

5. line travel information acquisition device according to claim 2, wherein,

It is also equipped with obtaining the sample rate obtaining section of the sample rate of the line,

The weighted curve is included：Set based on the travel information obtained in the past in the travel information obtaining section described The resume weighting curve of maximum, and based on the line with the sample rate advance in the case of the travel information set Determine the sample rate weighting curve of the maximum,

The weighting processing unit is carried out using the described of the resume weighting curve and the sample rate weighting curve respectively Weighting is handled,

The travel information obtaining section is carrying out the multiple weighting of the weighting processing using the resume weighting curve Similar degree and using the sample rate weighting curve carried out it is described weighting processing the multiple weighting similar degree in, Extract and meet the weighting similar degrees of extraction conditions as object and weight similar degree, and based on the object weight similar degree come Obtain the new travel information of the line.

6. line travel information acquisition device according to claim 5, wherein,

The travel information obtaining section weights similar degree based on the object calculated in the past, to correct by the resume weight The weight coefficient that curve is specified and the weight coefficient specified by the sample rate weighting curve.

7. line travel information acquisition device according to claim 6, wherein,

The travel information obtaining section performs following processing：

As the object weighting similar degree calculated in the past becomes big come described in increasing specified by the resume weighting curve The value of weight coefficient,

Increase as the object weighting similar degree calculated in the past diminishes specified by the sample rate weighting curve The value of the weight coefficient.

8. the line travel information acquisition device according to any one of claim 5~7, wherein,

The travel information obtaining section performs following processing：

Progress first is extracted, in first extraction, extracts the described of the multiple value maximum for weighting similar degree in similar degree Weighting similar degree is used as the object weighting similar degree,

In the case where first extraction can not be carried out, carry out second and extract, in second extraction, extract to by described similar The similar degree for the multiple similar degree intermediate value maximum that degree evaluation section is calculated has carried out the weighting similar degree of the weighting processing It is used as the object weighting similar degree,

In the case where second extraction can not be carried out, extracted from the multiple weighting similar degree and obtain the traveling in the past The immediate weighting similar degree of weighting similar degree during information is used as the object weighting similar degree.

9. according to line travel information acquisition device according to any one of claims 1 to 7, wherein,

The similar degree evaluation section, which is calculated, turns into the similar degree maximal point of maximal point in multiple the multiple similar degrees,

The weighting processing unit carries out the weighting processing to the similar degree maximal point, and calculates the weighting similar degree.

10. line travel information acquisition device according to claim 8, wherein,

The similar degree evaluation section, which is calculated, turns into the similar degree maximal point of maximal point in multiple the multiple similar degrees,

The weighting processing unit carries out the weighting processing to the similar degree maximal point, and calculates the weighting similar degree.

11. according to line travel information acquisition device according to any one of claims 1 to 7, wherein,

The uneven signal of the First Line thickness and the uneven signal of the second line thickness are sampled by sampling time interval,

The line travel information acquisition device is also equipped with measurement unit, and the measurement unit measures the sampling time interval respectively,

The travel information obtaining section calculates the time based on the sampling time interval measured by the measurement unit Deviation.

12. line travel information acquisition device according to claim 8, wherein,

The uneven signal of the First Line thickness and the uneven signal of the second line thickness are sampled by sampling time interval,

The line travel information acquisition device is also equipped with measurement unit, and the measurement unit measures the sampling time interval respectively,

The travel information obtaining section calculates the time based on the sampling time interval measured by the measurement unit Deviation.

13. line travel information acquisition device according to claim 9, wherein,

The uneven signal of the First Line thickness and the uneven signal of the second line thickness are sampled by sampling time interval,

The line travel information acquisition device is also equipped with measurement unit, and the measurement unit measures the sampling time interval respectively,

The travel information obtaining section calculates the time based on the sampling time interval measured by the measurement unit Deviation.

14. line travel information acquisition device according to claim 10, wherein,

The uneven signal of the First Line thickness and the uneven signal of the second line thickness are sampled by sampling time interval,

The line travel information acquisition device is also equipped with measurement unit, and the measurement unit measures the sampling time interval respectively,

The travel information obtaining section calculates the time based on the sampling time interval measured by the measurement unit Deviation.

15. a kind of line processing unit, it is characterised in that possess：

Line travel information acquisition device any one of claim 1~14；

The line processing unit handled the line；And

Control unit, it is controlled at the line based on the travel information of the line obtained by the line travel information acquisition device The processing that reason portion is carried out.